| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To reduce cost by miniaturizing and simplifying an entire device, even when the device is provided with a plurality of nozzle systems. <P>SOLUTION: A gas turbine intake air cooling device includes: a plurality of nozzle systems 15A to 15D; a spray device 11 for spraying cooling water from the nozzle systems into intake air (A) led to a compressor 3 in gas turbine equipment 1, and cooling the intake air; and a cooling water supply system 12 for supplying the spray device with cooling water. The cooling water supply system is configured to include shutoff valves 21A to 21D, a water supply pump 17, a pressure control valve 19, and a flow rate control valve 20. A plurality of shutoff valves are provided for one water supply pump, and furthermore a plurality of shutoff valves corresponding to a plurality of nozzle systems in the spray device are provided to allow cooling water to be selectively supplied to a plurality of nozzle systems. The water supply pump supplies cooling water toward the shutoff valves while a discharge flow rate is fixed. The pressure control valve controls the pressure of cooling water supplied to the spray device to be a predetermined fixed pressure. The flow rate control valve controls the flow rate of cooling water supplied to the spray device to be a predetermined flow rate according to opening/closing operation of the shutoff valves. <P>COPYRIGHT: (C)2013,JPO&INPIT</p> |
